Pith Number

pith:IT5V6ZR7

pith:2025:IT5V6ZR7NSQESQ6X3D5Z2BCNUV

not attested not anchored not stored refs pending

On the finiteness of log surfaces

Daniil Serebrennikov

arxiv:2510.14795 v2 · 2025-10-16 · math.AG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IT5V6ZR7NSQESQ6X3D5Z2BCNUV}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-14T01:22:01.687744Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44fb5f663f6ca04943d7d8fb9d044da5513310ab2157073ba0fc04a5895d66b0

Aliases

arxiv: 2510.14795 · arxiv_version: 2510.14795v2 · doi: 10.48550/arxiv.2510.14795 · pith_short_12: IT5V6ZR7NSQE · pith_short_16: IT5V6ZR7NSQESQ6X · pith_short_8: IT5V6ZR7

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/IT5V6ZR7NSQESQ6X3D5Z2BCNUV \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 44fb5f663f6ca04943d7d8fb9d044da5513310ab2157073ba0fc04a5895d66b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66827986dd40f2c1548e80a59f10463ceb0f6060b12a6dd95649478240449243",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2025-10-16T15:29:05Z",
    "title_canon_sha256": "506b949f48f3df35adeea6065a8dc5ed669be62ad3a9bac8f6db53f4b98023a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2510.14795",
    "kind": "arxiv",
    "version": 2
  }
}